PED2007 revision quiz

Question 1

iron deficiency anaemia is a risk factor for tachycardia but can be treated by ferrous fumarate. iron deficiency anaemia is also a risk factor for…

Answer 1

heart failure
side effects: constipation, diarrhoea, gastrointestinal discomfort, nausea

Question 2

which one of the below is not a caution for COX-2 selective inhibitors such as ibuprofen

Answer 2

gastric haemorrhage
thrombocytopenia
hypertension
ischaemic heart disease
coagulation defects
they are all cautions

Question 3

select the mechanism whereby adenosine lowers heart rate

Answer 3

hyper polarisation of phase 4 of the SA node action potential

Question 4

lidocaine is a class 1 antiarrhymic drugs (sodium channel blockers, select one other clinical use

Answer 4

local pain relief

Question 5

verapamil is used as treatment for…

Answer 5

supraventricular tachycardia

Question 6

why is digoxin useful in treating atrial fibrillation

Answer 6

it increases the action of parasympathetic nerves

Question 7

select the mechanism of action of amiodarone

Answer 7

blocks potassium channels

Question 8

what is the mechanism of action for furosemide

Answer 8

blocks renal NaKCl transporters

Question 9

select the option that best describes the effects of GTN

Answer 9

increase cGMP

Question 10

select the option that best describes the main clinical benefit of GTN

Answer 10

decreased cardiac workload

Question 11

select the mechanism of action of the lipid lowering drug fenofibrate

Answer 11

is a PPAR agonist

Question 12

select the option that is true regarding cholestyramine

Answer 12

binds to bile in the GI tract

Question 13

select the option that is true regarding statins

Answer 13

block HMG CoA reductase enzymes

Question 14

select the option that is a physiological benefit of statins

Answer 14

reduced activation of platelets

Question 15

morphine is administered for pain relief during a ST elevation myocardial infarction . select the option that best described an additional benefit of prescribing morphine

Answer 15

reduced cardiac preload

Question 16

select the option that best described why clopidogrel is useful in preventing thrombosis

Answer 16

preventing an arterial thrombus by inhibits platelet function
blocks ADP mediated platelet activated aggregation

Question 17

which best described the class of the drug spironolactone

Answer 17

potassium sparing diuretic

Question 18

select an advantage of using LMWH over heparin

Answer 18

reduced risk of thrombocytopenia

Question 19

select the mechanism of action of streptokinase

Answer 19

activates tissue plasminogen